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package Servlets;

import BDD.gestionnaires.GestionnaireNotification;
import BDD.gestionnaires.GestionnaireUtilisateur;
import BDD.modeles.Notification;
import BDD.modeles.Utilisateur;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Tenrousuke
 */
@WebServlet(name = "ServletNotification", urlPatterns = {"/Notifications"})
public class ServletNotification extends HttpServlet {
    
    @EJB
    private GestionnaireUtilisateur gestionnaireUtilisateur;
    
    @EJB
    private GestionnaireNotification gestionnaireNotification;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        HttpSession session = request.getSession();
        Utilisateur user = gestionnaireUtilisateur.getUser( (String)(session.getAttribute("loginUser")), (String)(session.getAttribute("mdpUser")) );

        Collection<Notification> colNotif = gestionnaireNotification.getFiveLastNotificationsOfUser(user);
        
        request.setAttribute("notifList", colNotif );
        
        // --- Traiter le cas de suppression d'une notification
        //
                
        // Pratique pour décider de l'action à faire   
        String action = request.getParameter("action");
        
        // Traiter les cas recus
        if (action != null) {  
            
            // --- Traiter la demande de suppression d'une notification
            if (action.equals("supprimerUneNotif")) { 
                
                // Recuperer l'id de la notification
                int idNotif = new Integer(request.getParameter("idNotif")).intValue();
                
                // Recuperer la notification
                Notification n = gestionnaireNotification.recupererNotification(idNotif);
                
                // Supprimer la notification
                gestionnaireNotification.supprimerNotification(n);
                
            }
            
        }

        RequestDispatcher dp = request.getRequestDispatcher("notification.jsp?action=todo");  
        dp.forward(request, response);
        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
